CVE-2007-4874

SimpNews 2.41.03 - Cross-Site Scripting via l_username and backurl Parameters

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2007-4874. PoCs published by Jesper Jurcenoks.

AI-analyzed exploit summary This exploit demonstrates a cross-site scripting (XSS) vulnerability in SimpNews by injecting malicious JavaScript into the 'l_username' parameter. The payload triggers an alert displaying the user's cookies, proving arbitrary script execution in the context of the affected site.

Description

Multiple cross-site scripting (XSS) vulnerabilities in SimpNews 2.41.03 allow remote attackers to inject arbitrary web script or HTML via the (1) l_username parameter to admin/layout2b.php, and the (2) backurl parameter to comment.php.

Exploits (2)

exploitdb WORKING POC VERIFIED
by Jesper Jurcenoks · textwebappsphp
https://www.exploit-db.com/exploits/30617

This exploit demonstrates a cross-site scripting (XSS) vulnerability in SimpNews by injecting malicious JavaScript into the 'l_username' parameter. The payload triggers an alert displaying the user's cookies, proving arbitrary script execution in the context of the affected site.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: SimpNews 2.41.03
No auth needed
Prerequisites: Access to the target URL · User interaction to trigger the payload
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WORKING POC VERIFIED
by Jesper Jurcenoks · textwebappsphp
https://www.exploit-db.com/exploits/30618

This exploit demonstrates a cross-site scripting (XSS) vulnerability in SimpNews 2.41.03 by injecting a malicious script via the 'backurl' parameter in the comment.php file. The script executes arbitrary JavaScript in the context of the affected site, potentially stealing cookies or performing other malicious actions.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: SimpNews 2.41.03
No auth needed
Prerequisites: Access to the vulnerable SimpNews installation
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (7)

Core 7
Core References
Various Sources x_refsource_confirm
http://forum.boesch-it.de/viewtopic.php?t=2791
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/3166
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/25809
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/26965
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/480598/100/0/threaded
Various Sources x_refsource_misc
http://www.netvigilance.com/advisory0070
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/36774

Scores

EPSS 0.0182
EPSS Percentile 75.9%

Details

CWE
CWE-79
Status published
Products (1)
boesch-it/simpnews 2.41.03
Published Sep 26, 2007
Tracked Since Feb 18, 2026